The station detailed in this document provides Elementary and Enhanced Surveillance Services to ATC through use of Mode S Specific Services, particularly Ground Initiated Comm-B and Mode S Comm-B Broadcast, and Mode S Extended Squitters (ADS-B).
Mode S ground stations compliant with this specification support performance, secondary surveillance radar transponders and exchange of surveillance data as referred in the European Commission Implementing Regulation (EU) No 1207/2011 of 22 November 2011 as amended by (EU) No 1028/2014 of 26 September 2014, (EU) 2017/386 of 6 March 2017 and (EU) 2020/587 of 29 April 2020. Mode S ground stations that meet this specification can be used to support aircraft separation applications.
The stations defined in this document have interfaces to work in a cooperative way with other surveillance systems. This edition includes new functions to decrease the Mode S interrogations and to optimize the use of the 1 030/1 090 MHz frequency band